Electrical Industry Resources
These electrical industry associations provide helpful resources and tools on their websites.
Electrical
Building electrical systems, lighting, and wiring. Covers power distribution and one-line diagrams, emergency power, light fixtures and lighting levels, lighting controls, conduit, and wire sizes.
Electrical System in Buildings
A basic discussion of the electrical system in buildings including distribution in small and large buildings.
Emergency and Standby Power Systems for Buildings
Types and components of emergency and standby power systems for buildings, from small homes to large critical services.
Types of Light Fixtures (Luminaire)
Graphic diagram showing the different types of light fixtures (luminaires).
Light Fixture (Luminaire) Components
A diagram and description showing the components of a light fixture, also known as a luminaire.
Commercial Lighting Control Systems
Learn about commercial lighting control systems that give building managers more control over energy use.
Circadian Lighting
Circadian lighting keeps humans aligned with their circadian rhythm with special light fixtures and controls.
Recommended Lighting Levels in Buildings
Recommended light levels for a variety of spaces as well as information about lighting power density, which affects sustainability initiatives.
Light Distribution Curves
Information on how to read light distribution curves that are provided by light manufacturers.
Electrical Conduit Types
Electrical conduit types are covered, including plastic, metal, rigid, and flexible. Advantages and drawbacks of each type are discussed.
Wire Size (Gauge)
American Wire Gauge (AWG) is a measurement of the size of wire. This article has a chart listing the AWG size and the diameter in inches.
Outlet Ground Pin Up or Down?
A discussion of whether a three-prong outlet should be mounted with the ground pin up or down.
Electrical Faceplate Types and Dimensions
Covers standard electrical faceplate types and faceplate dimensions.
NEMA Enclosure Types
Descriptions of the different NEMA enclosure types and the environments where they can safely be used.
Electrical One-Line Diagram
Electrical one-line diagrams describe the connections between items in a complex electrical system.